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Finding the Fourth Proportional to 97.44, 146.16 and 24.31

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Solution

The fourth proportional to 97.44, 146.16 and 24.31 is: 36.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.44 : 146.16 = 24.31 : x
  2. Step 2: Convert to fraction form
    97.44/146.16 = 24.31/x
  3. Step 3: Cross multiply
    97.44x = 146.16 × 24.31
  4. Step 4: Simplify right side
    97.44x = 3,553.24
  5. Step 5: Solve for x
    x = 3,553.24/97.44
  6. Step 6: Final answer
    x = 36.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.